* Made title of group ('Advanced Filters') available for translation
* Fixed translation mark for advanced filter operators (class level, need to be lazy)
* Re-extracted translation strings
and marked selection strings of boolean search widget while at it
lp bug: https://launchpad.net/bugs/906963 fixed
bzr revid: xmo@openerp.com-20111220175137-r3jeh6q8g4c92xf9